from datetime import date,timedelta
A,B,C,D = map(int,input().split())

t = date(2024,12,A)
flg1,flg2 = False,False
c = timedelta(days = C)
d = timedelta(days = D)

if t+c <= date(2025,1,B):flg1 = True
if t+d <= date(2025,1,B):flg2 = True

if flg1:    print(1)
elif flg2:  print(2)
else:       print(3)